#011323
Closest named color: Rich Navy (#001219). oklch(18% 0.043 245), rgb(1, 19, 35).
Aa
White text reads best on this color (18.77:1).
About this color
#011323 is a very dark, muted blue. In OKLCH its lightness is 18%, its chroma 0.043 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.021 away. White text reads best on it, at 18.77:1.
| Hue family | Blues |
| Lightness | very dark (18%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.11:1 |
| White text | 18.77:1 |
Values
| HEX | #011323 |
| RGB | rgb(1, 19, 35) |
| HSL | hsl(208, 94%, 7%) |
| OKLCH | oklch(18% 0.043 245) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #011323 | 18.77:1 | AAA | Lc -107.2 | Preferred for body text |
| Black text on #011323 | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #011323 text on white | 18.77:1 | AAA | Lc 105.1 | Preferred for body text |
| #011323 text on black | 1.11:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF3
oklch(93.6% 0.015 244.7)
-
Step 200
200
#CADCEB
oklch(88.6% 0.028 243.1)
-
Step 300
300
#A6C5E0
oklch(81% 0.051 244.8)
-
Step 400
400
#75A6D0
oklch(70.6% 0.081 245.2)
-
Step 500
500
#4F8FC4
oklch(63% 0.104 245.5)
-
Step 600
600
#3079B0
oklch(55.6% 0.112 244.7)
-
Step 700
700
#226597
oklch(49% 0.104 245.1)
-
Step 800
800
#1E537B
oklch(42.7% 0.087 244.9)
-
Step 900
900
#1F4563
oklch(37.8% 0.067 244.8)
-
Step 950
950 (this color)
#011323
oklch(18% 0.043 245)
#011323 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #0B1424 | 0.017 |
| Deuteranopia (no green cones) | #061023 | 0.013 |
| Tritanopia (no blue cones) | #001719 | 0.030 |
| Achromatopsia (no color) | #121212 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #011323
#011323
oklch(18% 0.043 245)
- #1E0D00
#1E0D00
oklch(18.1% 0.041 63.6)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #011323, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.021
- Rich Black #0D1B2A ΔE 0.038
- Almost Black #070D0D ΔE 0.046
- Dark Navy #000435 ΔE 0.061
- Dark Navy Blue #00022E ΔE 0.064
- Midnight #03012D ΔE 0.065
- Very Dark Blue #000133 ΔE 0.068
- Navy Blue #001146 ΔE 0.070
Use #011323 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.